871 |
|
lp[8] = htonl(0x00800002); // TLB total size/TLB assoc |
872 |
|
break; |
873 |
|
// case 11: // X704? |
874 |
< |
case 12: // ??? |
874 |
> |
case 12: // 7400, 7410 |
875 |
> |
case 0x800c: |
876 |
|
lp[0] = htonl(0x1000); // Page size |
877 |
|
lp[1] = htonl(0x8000); // Data cache size |
878 |
|
lp[2] = htonl(0x8000); // Inst cache size |
1058 |
|
static bool patch_68k_emul(void) |
1059 |
|
{ |
1060 |
|
uint32 *lp; |
1061 |
< |
uint32 base; |
1061 |
> |
uint32 base, loc; |
1062 |
|
|
1063 |
|
// Overwrite twi instructions |
1064 |
|
static const uint8 twi_dat[] = {0x0f, 0xff, 0x00, 0x00, 0x0f, 0xff, 0x00, 0x01, 0x0f, 0xff, 0x00, 0x02}; |
1122 |
|
// Extra routine for 68k emulator start |
1123 |
|
lp = (uint32 *)(ROM_BASE + 0x36f900); |
1124 |
|
*lp++ = htonl(0x7c2903a6); // mtctr r1 |
1124 |
– |
#if EMULATED_PPC |
1125 |
– |
*lp++ = htonl(NativeOpcode(NATIVE_DISABLE_INTERRUPT)); |
1126 |
– |
#else |
1125 |
|
*lp++ = htonl(0x80200000 + XLM_IRQ_NEST); // lwz r1,XLM_IRQ_NEST |
1126 |
|
*lp++ = htonl(0x38210001); // addi r1,r1,1 |
1127 |
|
*lp++ = htonl(0x90200000 + XLM_IRQ_NEST); // stw r1,XLM_IRQ_NEST |
1130 |
– |
#endif |
1128 |
|
*lp++ = htonl(0x80200000 + XLM_KERNEL_DATA);// lwz r1,XLM_KERNEL_DATA |
1129 |
|
*lp++ = htonl(0x90c10018); // stw r6,0x18(r1) |
1130 |
|
*lp++ = htonl(0x7cc902a6); // mfctr r6 |
1152 |
|
// Extra routine for Mixed Mode |
1153 |
|
lp = (uint32 *)(ROM_BASE + 0x36fa00); |
1154 |
|
*lp++ = htonl(0x7c2903a6); // mtctr r1 |
1158 |
– |
#if EMULATED_PPC |
1159 |
– |
*lp++ = htonl(NativeOpcode(NATIVE_DISABLE_INTERRUPT)); |
1160 |
– |
#else |
1155 |
|
*lp++ = htonl(0x80200000 + XLM_IRQ_NEST); // lwz r1,XLM_IRQ_NEST |
1156 |
|
*lp++ = htonl(0x38210001); // addi r1,r1,1 |
1157 |
|
*lp++ = htonl(0x90200000 + XLM_IRQ_NEST); // stw r1,XLM_IRQ_NEST |
1164 |
– |
#endif |
1158 |
|
*lp++ = htonl(0x80200000 + XLM_KERNEL_DATA);// lwz r1,XLM_KERNEL_DATA |
1159 |
|
*lp++ = htonl(0x90c10018); // stw r6,0x18(r1) |
1160 |
|
*lp++ = htonl(0x7cc902a6); // mfctr r6 |
1182 |
|
// Extra routine for Reset/FC1E opcode |
1183 |
|
lp = (uint32 *)(ROM_BASE + 0x36fb00); |
1184 |
|
*lp++ = htonl(0x7c2903a6); // mtctr r1 |
1192 |
– |
#if EMULATED_PPC |
1193 |
– |
*lp++ = htonl(NativeOpcode(NATIVE_DISABLE_INTERRUPT)); |
1194 |
– |
#else |
1185 |
|
*lp++ = htonl(0x80200000 + XLM_IRQ_NEST); // lwz r1,XLM_IRQ_NEST |
1186 |
|
*lp++ = htonl(0x38210001); // addi r1,r1,1 |
1187 |
|
*lp++ = htonl(0x90200000 + XLM_IRQ_NEST); // stw r1,XLM_IRQ_NEST |
1198 |
– |
#endif |
1188 |
|
*lp++ = htonl(0x80200000 + XLM_KERNEL_DATA);// lwz r1,XLM_KERNEL_DATA |
1189 |
|
*lp++ = htonl(0x90c10018); // stw r6,0x18(r1) |
1190 |
|
*lp++ = htonl(0x7cc902a6); // mfctr r6 |
1212 |
|
// Extra routine for FE0A opcode (QuickDraw 3D needs this) |
1213 |
|
lp = (uint32 *)(ROM_BASE + 0x36fc00); |
1214 |
|
*lp++ = htonl(0x7c2903a6); // mtctr r1 |
1226 |
– |
#if EMULATED_PPC |
1227 |
– |
*lp++ = htonl(NativeOpcode(NATIVE_DISABLE_INTERRUPT)); |
1228 |
– |
#else |
1215 |
|
*lp++ = htonl(0x80200000 + XLM_IRQ_NEST); // lwz r1,XLM_IRQ_NEST |
1216 |
|
*lp++ = htonl(0x38210001); // addi r1,r1,1 |
1217 |
|
*lp++ = htonl(0x90200000 + XLM_IRQ_NEST); // stw r1,XLM_IRQ_NEST |
1232 |
– |
#endif |
1218 |
|
*lp++ = htonl(0x80200000 + XLM_KERNEL_DATA);// lwz r1,XLM_KERNEL_DATA |
1219 |
|
*lp++ = htonl(0x90c10018); // stw r6,0x18(r1) |
1220 |
|
*lp++ = htonl(0x7cc902a6); // mfctr r6 |
1250 |
|
return false; |
1251 |
|
dr_found: |
1252 |
|
lp++; |
1253 |
< |
*lp = htonl(0x48000000 + 0xf000 - (((uint32)lp - ROM_BASE) & 0xffff)); // b DR_CACHE_BASE+0x1f000 |
1254 |
< |
lp = (uint32 *)(ROM_BASE + 0x37f000); |
1255 |
< |
*lp++ = htonl(0x3c000000 + ((ROM_BASE + 0x46d0a4) >> 16)); // lis r0,xxx |
1256 |
< |
*lp++ = htonl(0x60000000 + ((ROM_BASE + 0x46d0a4) & 0xffff)); // ori r0,r0,xxx |
1257 |
< |
*lp++ = htonl(0x7c0903a6); // mtctr r0 |
1258 |
< |
*lp = htonl(POWERPC_BCTR); // bctr |
1253 |
> |
loc = (uint32)lp - ROM_BASE; |
1254 |
> |
if ((base = powerpc_branch_target(ROM_BASE + loc)) == 0) base = ROM_BASE + loc; |
1255 |
> |
static const uint8 dr_ret_dat[] = {0x80, 0xbf, 0x08, 0x14, 0x53, 0x19, 0x4d, 0xac, 0x7c, 0xa8, 0x03, 0xa6}; |
1256 |
> |
if ((base = find_rom_data(base - ROM_BASE, 0x380000, dr_ret_dat, sizeof(dr_ret_dat))) == 0) return false; |
1257 |
> |
D(bug("dr_ret %08lx\n", base)); |
1258 |
> |
if (base != loc) { |
1259 |
> |
// OldWorld ROMs contain an absolute branch |
1260 |
> |
D(bug(" patching absolute branch at %08x\n", (uint32)lp - ROM_BASE)); |
1261 |
> |
*lp = htonl(0x48000000 + 0xf000 - (((uint32)lp - ROM_BASE) & 0xffff)); // b DR_CACHE_BASE+0x1f000 |
1262 |
> |
lp = (uint32 *)(ROM_BASE + 0x37f000); |
1263 |
> |
*lp++ = htonl(0x3c000000 + ((ROM_BASE + base) >> 16)); // lis r0,xxx |
1264 |
> |
*lp++ = htonl(0x60000000 + ((ROM_BASE + base) & 0xffff)); // ori r0,r0,xxx |
1265 |
> |
*lp++ = htonl(0x7c0803a6); // mtlr r0 |
1266 |
> |
*lp = htonl(POWERPC_BLR); // blr |
1267 |
> |
} |
1268 |
|
return true; |
1269 |
|
} |
1270 |
|
|
1381 |
|
uint32 npc = (uint32)(lp + 1) - ROM_BASE; |
1382 |
|
|
1383 |
|
lp = (uint32 *)(ROM_BASE + 0x318000); |
1390 |
– |
#if EMULATED_PPC |
1391 |
– |
*lp++ = htonl(NativeOpcode(NATIVE_ENABLE_INTERRUPT)); |
1392 |
– |
*lp = htonl(0x48000000 + ((npc - 0x318004) & 0x03fffffc)); // b ROM_BASE+0x312c2c |
1393 |
– |
#else |
1384 |
|
*lp++ = htonl(0x81400000 + XLM_IRQ_NEST); // lwz r10,XLM_IRQ_NEST |
1385 |
|
*lp++ = htonl(0x394affff); // subi r10,r10,1 |
1386 |
|
*lp++ = htonl(0x91400000 + XLM_IRQ_NEST); // stw r10,XLM_IRQ_NEST |
1387 |
|
*lp = htonl(0x48000000 + ((npc - 0x31800c) & 0x03fffffc)); // b ROM_BASE+0x312c2c |
1398 |
– |
#endif |
1388 |
|
|
1389 |
|
/* |
1390 |
|
// Disable FE0A/FE06 opcodes |
2216 |
|
lp = (uint32 *)(ROM_BASE + ntohl(*lp)); |
2217 |
|
lp[0xa9fd & 0x3ff] = htonl(GET_SCRAP_PATCH_SPACE); |
2218 |
|
|
2230 |
– |
#if __BEOS__ |
2219 |
|
// Patch SynchIdleTime() |
2220 |
|
if (PrefsFindBool("idlewait")) { |
2221 |
|
wp = (uint16 *)(ROM_BASE + find_rom_trap(0xabf7) + 4); // SynchIdleTime() |
2222 |
|
D(bug("SynchIdleTime at %08lx\n", wp)); |
2223 |
< |
if (ntohs(*wp) == 0x2078) { |
2223 |
> |
if (ntohs(*wp) == 0x2078) { // movea.l ExpandMem,a0 |
2224 |
|
*wp++ = htons(M68K_EMUL_OP_IDLE_TIME); |
2225 |
|
*wp = htons(M68K_NOP); |
2226 |
< |
} else { |
2226 |
> |
} |
2227 |
> |
else if (ntohs(*wp) == 0x70fe) // moveq #-2,d0 |
2228 |
> |
*wp++ = htons(M68K_EMUL_OP_IDLE_TIME_2); |
2229 |
> |
else { |
2230 |
|
D(bug("SynchIdleTime patch not installed\n")); |
2231 |
|
} |
2232 |
|
} |
2242 |
– |
#endif |
2233 |
|
|
2234 |
|
// Construct list of all sifters used by sound components in ROM |
2235 |
|
D(bug("Searching for sound components with type sdev in ROM\n")); |
2294 |
|
WriteMacInt16(dce + dCtlFlags, SonyDriverFlags); |
2295 |
|
} |
2296 |
|
|
2297 |
< |
#if DISABLE_SCSI && 0 |
2297 |
> |
#if DISABLE_SCSI && HAVE_SIGSEGV_SKIP_INSTRUCTION |
2298 |
|
// Fake SCSIGlobals |
2299 |
|
WriteMacInt32(0xc0c, SheepMem::ZeroPage()); |
2300 |
|
#endif |